npviewer.bin crashed

[Saso]

npviewer.bin crashed after i watched youtube clip which was embeded on some site and after i ended watching the youtube i went on gmail and then i had the message of this crash.

ProblemType: Crash
Architecture: amd64
AssertionMessage: npviewer.bin: /build/buildd/nspluginwrapper-1.2.2/src/npw-rpc.c:1190: do_send_NPObject: Assertion `npobj_id != 0' failed.
CrashCounter: 1
Date: Thu Oct 22 10:22:01 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/nspluginwrapper/i386/linux/npviewer.bin
Package: nspluginwrapper 1.2.2-0ubuntu6
ProcCmdline: /usr/lib/nspluginwrapper/i386/linux/npviewer.bin --plugin /usr/lib/flashplugin-installer/libflashplayer.so --connection /org/wrapper/NSPlugins/libflashplayer.so/2226-2
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
Signal: 6
SourcePackage: nspluginwrapper
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib32/libc.so.6
 abort () from /lib32/libc.so.6
 __assert_fail () from /lib32/libc.so.6
 ?? ()
Title: npviewer.bin assert failure: npviewer.bin: /build/buildd/nspluginwrapper-1.2.2/src/npw-rpc.c:1190: do_send_NPObject: Assertion `npobj_id != 0' failed.
Uname: Linux 2.6.31-14-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare